Home / 2,133.28-2,921.32-2,014.88

Finding the Fourth Proportional to 2,133.28, 2,921.32 and 2,014.88

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Solution

The fourth proportional to 2,133.28, 2,921.32 and 2,014.88 is: 2,759.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.28 : 2,921.32 = 2,014.88 : x
  2. Step 2: Convert to fraction form
    2,133.28/2,921.32 = 2,014.88/x
  3. Step 3: Cross multiply
    2,133.28x = 2,921.32 × 2,014.88
  4. Step 4: Simplify right side
    2,133.28x = 5,886,109.24
  5. Step 5: Solve for x
    x = 5,886,109.24/2,133.28
  6. Step 6: Final answer
    x = 2,759.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.